Ornithorhynchus is an example of |
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a) |
Dinosaur |
b) |
Monotreme mammal |
c) |
Marsupial mammal |
d) |
Eutherian mammal |
Ornithorhynchus is an example of |
|||||||
a) |
Dinosaur |
b) |
Monotreme mammal |
c) |
Marsupial mammal |
d) |
Eutherian mammal |
(b)
Ornithorhynchus anatinus (Duck-billed platypus) is a monotreme mammal, which belongs to sub-class-Prototheria (primitive egg laying mammals), order-Monotremata (living prototherians).